Show HN: A semantic fuzzer for Obsidian Sync... in spite of Claude

Category: devtools

Tags: fuzzing, distributed-systems, testing, obsidian, data-loss

Score: 5.8/10 (Innovation: 6, Technical: 7, Documentation: 6, Utility: 4)

ObsSyncBugHunt is a semantic fuzzer that hunts for data loss in Obsidian Sync by orchestrating multiple containerized Obsidian clients and replaying potentially conflicting edit histories. It uses a Jepsen-inspired approach to generate, run, and analyze operation sequences, ranking histories by reproducibility and producing minimal shell scripts for bug reports.

Target audience: QA engineers, distributed systems testers, Obsidian power users

Repository: https://github.com/hmijail/ObsSyncBugHunt · TypeScript · MIT

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